Invention Grant
- Patent Title: Screening machine
-
Application No.: US53282422Application Date: 1922-01-30
-
Publication No.: US1468005APublication Date: 1923-09-18
- Inventor: COYLE JOSEPH A , ROTH CHARLES H
- Applicant: COYLE JOSEPH A , ROTH CHARLES H
- Assignee: Joseph A Coyle,Charles H Roth
- Current Assignee: Joseph A Coyle,Charles H Roth
- Priority: US53282422 1922-01-30
- Main IPC: B07B1/28
- IPC: B07B1/28
Information query
IPC分类:
